Posted by Vincen Larson on October 5, 2007, 9:21 pm, in reply to "Bismuth load pressure"
Jim T,
I haven't been on in awhile but if you reload I found a 12ga. 2.75 inch/ 1.25oz bismuth load in the Reloading for Shotgunners #4 book listed at 1300fps and 8500psi. Hope this helps.
If your gun is a 3" chamber, the BP Bismuth manual lists a 6500psi load.